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<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>视频播放器</title>
</head>
<body>
<video width="320" height="240" controls>
  <source src="./userAction/getFileContents.action?id=43122101298399294808134950431008" type="video/mp4">
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</video>
</body>
</html>